linux/drivers/gpu/drm/radeon/evergreen_smc.h
Alex Deucher dc50ba7f9a drm/radeon/kms: add dpm support for evergreen (v4)
This adds dpm support for evergreen asics.  This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)

Set radeon.dpm=1 to enable.

v2: reduce stack usage, rename ulv struct
v3: fix thermal interrupt check notices by Jerome
v4: fix state enable

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:15:22 -04:00

68 lines
2.2 KiB
C

/*
* Copyright 2011 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __EVERGREEN_SMC_H__
#define __EVERGREEN_SMC_H__
#include "rv770_smc.h"
#pragma pack(push, 1)
#define SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE 16
struct SMC_Evergreen_MCRegisterAddress
{
uint16_t s0;
uint16_t s1;
};
typedef struct SMC_Evergreen_MCRegisterAddress SMC_Evergreen_MCRegisterAddress;
struct SMC_Evergreen_MCRegisterSet
{
uint32_t value[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
};
typedef struct SMC_Evergreen_MCRegisterSet SMC_Evergreen_MCRegisterSet;
struct SMC_Evergreen_MCRegisters
{
uint8_t last;
uint8_t reserved[3];
SMC_Evergreen_MCRegisterAddress address[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
SMC_Evergreen_MCRegisterSet data[5];
};
typedef struct SMC_Evergreen_MCRegisters SMC_Evergreen_MCRegisters;
#define EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION 0x100
#define EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters 0x0
#define EVERGREEN_SMC_FIRMWARE_HEADER_stateTable 0xC
#define EVERGREEN_SMC_FIRMWARE_HEADER_mcRegisterTable 0x20
#pragma pack(pop)
#endif